Simple Calculator is an open-source (GPL-3.0-or-later) Android app by Hobby Projects Lab. The APK we host is 2.1 MB, it needs Android 7.0 or newer, and it declares 1 permission.
The file on this page is Simple Calculator 1.0.2, 2.12 MB, and it installs on Android 7.0 and newer.
We compared the signing certificate of this build with the certificate recorded the first time hpl.apps.android.math entered the site, and published both the file's SHA-256 and the certificate's fingerprint above so you can check the download yourself. That comparison says the file was not repackaged by someone else; it is not a review of what the app does.
The manifest inside the APK declares 1 permission, none of which cover contacts, location, SMS, the camera or the microphone.
Its licence is GPL-3.0-or-later. We took this build from F-Droid, and the source for this exact version is linked below.
We do not show a star rating or an install count for this page: we have no measured figure for either, and a number we cannot source is worth less than an empty field.
- Version
- 1.0.2
- Size
- 2.12 MB
- Requires Android
- API 24
- Package
- hpl.apps.android.math
- Signature checked on
- Oct 26, 2026
- Where this file came from
- F-Droid
- Licence
- GPL-3.0-or-later
- Source code
- Source for this version
File SHA-256: 2bc08df01ac6fb3ff482db03fd0db79dd868924d4456e8774b3f4929186a67d1
Signing certificate (SHA-256): 2e3a19a3d2898fde513535a0018f33821ad81015ff7c0d17767e707ea5cee00f
We check that this file carries the same signing certificate as earlier releases of the same package. That shows the APK was not repackaged by someone else — it is not a security review of the app.
Declared permissions
- hpl.apps.android.math.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
More about this app
Our sister site 2113 Apps has a hand-written guide to Simple Calculator, with a breakdown of what its APK contains. Read about Simple Calculator on 2113 Apps
Screenshots
